add flask app with jinja2 templates

michaelliao · michaelliao · commit b001d0c418cc · 2015-04-01T10:58:47.000+08:00
diff --git a/py3/web/mvc/app.py b/py3/web/mvc/app.py
@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+from flask import Flask, request, render_template
+
+app = Flask(__name__)
+
+@app.route('/', methods=['GET', 'POST'])
+def home():
+    return render_template('home.html')
+
+@app.route('/signin', methods=['GET'])
+def signin_form():
+    return render_template('form.html')
+
+@app.route('/signin', methods=['POST'])
+def signin():
+    username = request.form['username']
+    password = request.form['password']
+    if username=='admin' and password=='password':
+        return render_template('signin-ok.html', username=username)
+    return render_template('form.html', message='Bad username or password', username=username)
+
+if __name__ == '__main__':
+    app.run()
diff --git a/py3/web/mvc/templates/form.html b/py3/web/mvc/templates/form.html
@@ -0,0 +1,16 @@
+<html>
+<head>
+  <title>Please Sign In</title>
+</head>
+<body>
+  {% if message %}
+  <p style="color:red">{{ message }}</p>
+  {% endif %}
+  <form action="/signin" method="post">
+    <legend>Please sign in:</legend>
+    <p><input name="username" placeholder="Username" value="{{ username }}"></p>
+    <p><input name="password" placeholder="Password" type="password"></p>
+    <p><button type="submit">Sign In</button></p>
+  </form>
+</body>
+</html>
diff --git a/py3/web/mvc/templates/home.html b/py3/web/mvc/templates/home.html
@@ -0,0 +1,8 @@
+<html>
+<head>
+  <title>Home</title>
+</head>
+<body>
+  <h1 style="font-style:italic">Home</h1>
+</body>
+</html>
diff --git a/py3/web/mvc/templates/signin-ok.html b/py3/web/mvc/templates/signin-ok.html
@@ -0,0 +1,8 @@
+<html>
+<head>
+  <title>Welcome, {{ username }}</title>
+</head>
+<body>
+  <p>Welcome, {{ username }}!</p>
+</body>
+</html>

-Original file line number
+Diff line change
@@ @@ -0,0 +1,8 @@ @@
 +<html>
 +<head>
 +  <title>Home</title>
 +</head>
 +<body>
 +  <h1 style="font-style:italic">Home</h1>
 +</body>
 +</html>